↑Panksepp, Jaak (2005). Affective neuroscience: the foundations of human and animal emotions ([Reprint] সম্পাদনা). প্ৰকাশক Oxford [u.a.]: Oxford Univ. Press. পৃষ্ঠা. 9. ISBN978-0195096736. "Our emotional feelings reflect our ability to subjectively experience certain states of the nervous system. Although conscious feeling states are universally accepted as major distinguishing characteristics of human emotions, in animal research the issue of whether other organisms feel emotions is little more than a conceptual embarrassment"
↑"Emotion in the perspective of an integrated nervous system". Brain Research. Brain Research Reviews খণ্ড 26 (2–3): 83–86. May 1998. doi:10.1016/s0165-0173(97)00064-7. PMID9651488.
↑Ekman, Paul; Davidson, Richard J. (1994). The Nature of emotion: fundamental questions. প্ৰকাশক New York: Oxford University Press. পৃষ্ঠা. 291–93. ISBN978-0195089448. "Emotional processing, but not emotions, can occur unconsciously."
↑Cabanac, Michel (2002). "What is emotion?" Behavioural Processes 60(2): 69–83. "[E]motion is any mental experience with high intensity and high hedonic content (pleasure/displeasure)."
↑Averill, James R. (February 1999). "Individual Differences in Emotional Creativity: Structure and Correlates" (en ভাষাত). Journal of Personality খণ্ড 67 (2): 331–71. doi:10.1111/1467-6494.00058. ISSN0022-3506. PMID10202807.